How Long Should Your Videos Be? The minimum video length should be 3 minutes in length. The longer your video is the more it will sell for. 3-5 minutes is the perfect length for a regular flexing video. How To Record Videos With Your Phone Most new phones have really good HD video cameras. We have posted a a video discussing the best way to record videos using your phone. How To Upload Videos From Your Phone Uploading a video directly from your phone is very easy. You can record a video on your phone and send it from your phone.